Upper Parts
Complete your pistol caliber carbine build with our top-quality upper parts kits, designed for AR-9, AR-45, AR-10mm, and other pistol caliber carbines. Whether you’re building your AR pistol or pistol caliber carbine rifle, we provide all the necessary components to assemble a reliable and high-performance upper receiver that delivers consistent accuracy and smooth cycling with every shot.
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AR-15/AR-10/AR-9 HEX Compensator | Muzzle Rise & Recoil Reduction | Choose TPI
Upgrade your shooting performance with the AR-15/AR-10/AR-9 HEX Compensator—designed to reduce muzzl..
AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud with Multi Port Muzzle Brake | Reduce Recoil | Moriarti Armaments
The AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud from Moriarti Armaments is designed to enhan..
-33%
AR-9 4.5" 9mm Barrel - 4150 Chrome Moly Vanadium, 1:10 Twist, Black Nitride Coating
Enhance your AR-9 build with this 4.5" 9mm barrel made from 4150 chrome moly vanadium steel, providi..
-40%
AR-9 5.5" 9mm Barrel - 4150 Chrome Moly Vanadium, 1:10 Twist, Black Nitride Coating
Enhance your AR-9 build with this 5.5" 9mm barrel made from 4150 chrome moly vanadium steel, providi..
AR-9mm Micro Flash Can | 1/2x36 Thread, Nitride Finish | Perfect for AR Pistols
The AR-9mm Micro Flash Can is the perfect muzzle device for your 9mm AR-15 pistol build. Made from s..
-57%
AR 9mm Mini Tanker Muzzle Brake | Steel, Phosphate Finish, 1/2x36
The AR 9mm Mini Tanker Muzzle Brake is designed to reduce recoil and muzzle rise, making it ideal fo..
AR 9mm Stubby Slim Compact Flash Can | Anodized Color Options | 1/2 x 36 Thread
The AR 9mm Stubby Slim Compact Flash Can is the ideal muzzle device for AR-15 pistols and 9mm builds..
-43%
AR 9mm Thread Protector | 1/2x36 Pitch | Black Oxide Finish | G2
The AR 9mm Thread Protector is a high-quality, lightweight, and durable accessory designed to protec..
AR-10/AR-15/AR-45 "Claw" Multi-Prong Flash Hider - 5/8X24, T6 Aluminum, Door Breacher Style
Upgrade your AR-10, AR-15, or AR-45 with the "Claw" Multi-Prong Flash Hider designed for superior fl..
AR-15 3.0” Fake Suppressor 9MM - Anodized Black, 1/2 x 28 or 1/2 x 36, T6 Aluminum, Laser Engraved
Upgrade your AR-15 platform with this 3.0” Fake Suppressor designed specifically for 9MM calibers. C..
-50%
AR-15 5.56/.223 Steel Crush Washers | Pack of 10 | 1/2"x28 Thread | Phosphate Finish
Ensure a secure fit for your AR-15 muzzle devices with this Pack of 10 AR-15 5.56/.223 Crush Washers..
-33%
AR-15 9MM 9″ FAKE SUPPRESSOR /1/2×28/ ANODIZED BLACK
AR-15 9MM 9″ FAKE SUPPRESSOR /1/2×28/ ANODIZED BLACKThis product refers to a decorative or functiona..
AR-15 9MM/40/45 Dedicated Slick Billet Upper Receiver | Rainbow PVD Coated | Non-LRBHO
The AR-15 / 9MM/40/45 Dedicated Slick Billet Upper Receiver is crafted to provide the ultimate in re..
AR-15 Slim Line ‘Trident’ Flash Can with Glass Breaker | Rainbow PVD Coated | 1/2x28 Thread
The AR-15 Slim Line ‘Trident’ Flash Can with Glass Breaker combines aggressive styling and superior ..
AR-15/AR-10/AR-9 Rocket Man Flash Hider | Melonite & Stainless Steel | Choose TPI
Upgrade your rifle’s performance with the Rocket Man Flash Hider, designed for AR-15, AR-10, and AR-..
AR-15/AR-9 Pro Compensator | Choose 1/2"x28 or 1/2x36 Thread Pitch | Black Phosphate Finish
The AR-15/AR-9 Pro Compensator is designed with both performance and aesthetics in mind. Developed f..
AR-40 .40 S&W / 10mm Bolt Carrier Group | Glock Compatible | 8620 Steel | M-16 Cut
The AR-40 .40 S&W / 10mm Bolt Carrier Group (BCG) is specifically designed for reliable performa..
AR-40 .40 S&W 4" Barrel 1:16 Twist Black Nitride Finish
AR-40 .40 S&W 4" Barrel 1:16 Twist Black Nitride FinishSpecifications:Length: 4".40 S&W Cali..
AR-40 .40 S&W 8" Barrel 1:16 Twist Black Nitride Finish
AR-40 .40 S&W 8" Barrel 1:16 Twist Black Nitride FinishSpecifications:Length: 8".40 S&W Cali..
AR-45 .45 ACP Complete Bolt Carrier Group - Nitride
AR-45 Bolt assembly is designed for AR-15 style rifles chambered for .45 ACP with a direct blowback ..
AR-45 8.5″ 45 CAL 1:10 TWIST 4150 BARREL / NITRIDE
AR-45 8.5″ 45 CAL 1:10 TWIST 4150 BARREL / NITRIDE 8.5" LENGTHMADE FROM 4150 CMV STEEL HARDE..
-22%
AR-45 ACP Complete Upper Receiver Combo Kit with 7.5" Barrel, Charging Handle & BCG, Glock Style Compatible
Build or upgrade your AR-45 ACP with this Complete Upper Receiver Combo Kit, designed for superior p..
-29%
AR-9 Nitride Bolt Carrier Group (BCG) - Glock Compatible, MIL-SPEC, USA Made
Enhance the reliability and performance of your AR-9 build with this Nitride Bolt Carrier Group (BCG..
AR-9/45 Pistol Caliber Billet Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm | G2
Build your custom AR-9/45 pistol caliber carbine with the AR-9/45 Pistol Caliber Billet Upper LRBHO ..
AR-9/9X19 Flatline Compensator - 1/2x36 Thread Pitch, Black Oxide Finish, Recoil Mitigation
Elevate your PCC (Pistol Caliber Carbine) performance with the AR-9/9X19 Flatline Compensator. Engin..
-50%
AR-9MM 9X19 Muzzle Brake for 1/2"x36 Pitch - 5 Ports
AR-9MM 9X19 Muzzle Brake for 1/2"x36 Pitch - 5 Ports Features:Solid 4150 steel constructionPhosphate..
AR-9MM Muzzle Comp with QD Blast Shield | Reduces Concussion | 1/2x28 Thread | Moriarti Armaments
Enhance your 9mm AR pistol with the AR-9MM Muzzle Comp with QD Blast Shield from Moriarti Armaments...
Kaw Valley Precision Linear Comp | 5.56/30CAL/45CAL/9MM | Reduces Muzzle Concussion
Enhance your shooting experience with the Kaw Valley Precision Linear Comp, designed to effectively ..
LRBHO Hardware Kit for Pistol Cal Upper Receiver – Glock Style, Bolt Hold Open, Adjustable
This kit is a spare part only, NOT intended for uppers without the LRBHO feature. The LRBHO Hardw..
Moriarti 9mm / 22LR / .40 Slick Side Upper Receiver – No Forward Assist
The Moriarti 9mm / 22LR / .40 Slick Side Upper Receiver is a high-quality, forged 7075-T6 aluminum u..
-25%
Moriarti AR-9 9mm 7" Thread-On Fake Suppressor – 1/2x36 Thread – USA Made
Moriarti AR-9 9mm 7" Thread-On Fake Suppressor – 1/2x36 Thread – USA MadeKey Features:Overall Length..
Pistol Caliber Side Charging Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm
Complete your pistol caliber carbine (PCC) build with the Pistol Caliber Side Charging Upper LRBHO f..
Q Cherry Bomb 9mm 1/2x28 - Muzzle Brake for 9MM
The Q Cherry Bomb Muzzle Brake in 9MM with a 1/2-28 thread pitch is an innovative muzzle device engi..
-33%
AR-9 7.5" 9mm Barrel - 4150 Chrome Moly Vanadium, 1:10 Twist, Black Nitride Coating
Enhance your AR-9 build with this 7.5" 9mm barrel made from 4150 chrome moly vanadium steel, providi..
-33%
MORIARTI AR-9 8.3" Medium Profile Barrel, 9MM, 1:10 Twist, 4150 CMV, 1/2x36 Thread
The MORIARTI AR-9 8.3" Medium Profile Barrel is a premium 9mm barrel designed to provide exceptional..
-21%
AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDE
AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDECartridge: 10 mm AutoFinish: BlackLength:..
AR-9 9mm 10.5" Pistol Barrel - 1:10 Twist, Black Nitride, 4150 Steel
Build your AR-9 with this 10.5" 9mm pistol barrel, designed for maximum performance and durability. ..
Ballistic Advantage AR-9 11" Modern Series Barrel - 1:10 Twist, 9x19, QPQ Finish
Enhance your AR-9 build with the Ballistic Advantage 11" Modern Series Barrel, designed for optimal ..
AR .45 ACP 16" Barrel | 1:16 Twist | 4150 CMV, Black Nitride | USA Made
This AR .45 ACP 16" Barrel is specifically designed for those who want to build a reliable and power..
AR-15 .40 S&W Match Grade 16" Barrel | Black Nitride | 1:16 Twist Rate | .578x28 Thread
Upgrade your AR-15 with the .40 S&W Match Grade 16" Barrel designed for precision and durability..
-33%
MORIARTI AR-9 16" MED PROFILE BARREL, 1:10 TWIST, 9MM, 4150 NITRIDE STEEL
The AR-9 16" Medium Profile Barrel is a high-quality 9mm barrel crafted from 4150 Chrome Moly Vanadi..